One. Basic parameters：

1. nominal voltage：18-120V ；   

2. maxmium limited cureent：20-40A ；   

3. soft boot：≤2S；

4. the braking time：≤3S；

6. operating ambient temperature：-20-60℃；

7.constant-speed control；

8. self-consuming：<30uA；

Two. Defensive function

1. over discharge protection

2 .over-voltage protection

3. current-limiting protection

4. temperature protection

5. blocking/low speed protection(≤1000）

6. phase line short circuit protection

7.open-phase protection

8.short-circuit protection

Three. Others

1.The product confirms to the requirement of

IEC62841-1；

2.The product confirms to the requirement of

IEC60335-1 Annex R；

3.The product confirms to the requirements of

ROHS，REACH，EMC and so on；

4.Waterproofing grade of  the product is IP56.